Number of clinical trials in Zambia
Zambia: Number of clinical trials was 9 trials in 2024. ◆ Volatile
Number of clinical trials in Zambia, 2004–2024
Source: ClinicalTrials.gov (2025) – with major processing by Our World in Data. Measured in trials.
Analysis
In 2024, number of clinical trials in Zambia stood at 9 trials.
That represents a change of down 25.0% on the previous year and down 10.0% over ten years.
Over the whole period, number of clinical trials in Zambia peaked at 16 trials in 2017 and was at its lowest, 1 trials, in 2008.
Zambia ranks 70th of 153 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Number of clinical trials in Zambia, year by year
| Year | trials | Change |
|---|---|---|
| 2004 | 2 trials | — |
| 2006 | 3 trials | +50.0% |
| 2007 | 3 trials | +0.0% |
| 2008 | 1 trials | -66.7% |
| 2009 | 2 trials | +100.0% |
| 2010 | 2 trials | +0.0% |
| 2011 | 4 trials | +100.0% |
| 2012 | 7 trials | +75.0% |
| 2013 | 8 trials | +14.3% |
| 2014 | 10 trials | +25.0% |
| 2015 | 7 trials | -30.0% |
| 2016 | 5 trials | -28.6% |
| 2017 | 16 trials | +220.0% |
| 2018 | 13 trials | -18.8% |
| 2019 | 10 trials | -23.1% |
| 2020 | 11 trials | +10.0% |
| 2021 | 6 trials | -45.5% |
| 2022 | 10 trials | +66.7% |
| 2023 | 12 trials | +20.0% |
| 2024 | 9 trials | -25.0% |
Zambia compared with similar countries
- Zambia's 9 trials is above the median for lower middle income countries, which is 3 trials, 3.0× the median. (34 countries reporting)
- Zambia's 9 trials is above the median for Sub-Saharan Africa, which is 3 trials, 3.0× the median. (35 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 2.2 trials | 1 trials | 3 trials | 5 |
| 2010s | 8.2 trials | 2 trials | 16 trials | 10 |
| 2020s | 9.6 trials | 6 trials | 12 trials | 5 |
Countries ranked near Zambia
More reference data data for Zambia
- Exchange rate, new LCU per USD extended backward, period average 18.94 (2026)
- Exchange rate, old LCU per USD extended forward, period average 18.94 (2026)
- Official exchange rate, LCU per USD, period average 18.94 (2026)
- Global number of reported disasters by size, gaps filled 0 events (2025)
- Annual precipitation, annual growth rate 40.84 % change on previous year (2025)
- Free country, gaps filled 1 (2025)
- Civil liberties rating, gaps filled 4 (2025)
- Civil liberties rating, annual growth rate 0 % change on previous year (2025)
- Civil liberties rating, per capita 0 units per person (2025)
- Consumer price index 483.32 2010 = 100 (2025)
Frequently asked questions
- What is number of clinical trials in Zambia?
- Number of clinical trials in Zambia was 9 trials in 2024, according to ClinicalTrials.gov (2025) – with major processing by Our World in Data.
- What is the highest number of clinical trials recorded in Zambia?
- The highest recorded value was 16 trials in 2017.
- What is the lowest number of clinical trials recorded in Zambia?
- The lowest recorded value was 1 trials in 2008.
- How does Zambia rank for number of clinical trials?
- Zambia ranks 70th out of 153 countries with data for 2024.
- Is number of clinical trials rising or falling in Zambia?
- Over the last ten years it is down 10.0%. The long-run trend across the full record is volatile.
- Where does this Zambia data come from?
- The figures come from ClinicalTrials.gov (2025) – with major processing by Our World in Data, published as part of Number of clinical trials. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 20 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Annual number of completed clinical trials registered in the ClinicalTrials.gov database for each country. Registration in the ClinicalTrials database is mandatory for trials in the United States, but voluntary for other countries.